Hao-Wei Chan

Title: Hao-Wei Chan: A Pioneer in Ranging-Type Positioning Technologies

Introduction

Hao-Wei Chan, an inventive mind located in Taichung, Taiwan, has made significant contributions to the field of positioning systems. With two patents to his name, he is recognized for his innovative approaches in utilizing crowdsourced data for enhanced location accuracy.

Latest Patents

Chan's recent patents showcase his expertise in creating cutting-edge technologies. The first patent, titled "Ranging-type positioning system and ranging-type positioning method based on crowdsourced calibration," details a sophisticated method where pedestrian dead reckoning (PDR) utilizes inertial measurement units on mobile devices and employs a particle filter (PF) to reconstruct movement paths. By integrating a neural network-based ranging model, the system can effectively calibrate and infer the locations of unknown base stations, further optimizing distance estimates and standard deviations.

The second patent focuses on an "Antenna device, positioning system and positioning method." This innovation involves strategically arranging receivers equipped with antenna devices, collecting wireless signals, and calculating a sum-difference ratio to estimate incident angles. Through a carefully executed positioning algorithm, the system can evaluate possible positions and employ an optimization algorithm to determine the most accurate location.

Career Highlights

Hao-Wei Chan has established himself at Psj International Ltd., where he continues to innovate and develop advanced positioning solutions. His work is characterized by a commitment to refining location tracking technologies and enhancing user experiences in navigation and positioning applications.

Collaborations

Chan's work is complemented by collaboration with esteemed colleagues such as Ruey-Beei Wu and Shih-Yi Huang. Together, they contribute to a dynamic environment that fosters innovation and showcases the importance of teamwork in driving technological advancements.

Conclusion

Hao-Wei Chan's contributions to the field of positioning systems highlight his role as a key inventor in modern technology. His patents reflect a blend of scientific insight and practical application, promising improvements in how we navigate and understand our environments. As he continues his work at Psj International Ltd., the impact of his innovations on future positioning technologies remains to be seen.